Lighting sets the ambiance of the space. Bright and precisely focused lights helped the delegate eye know where to look in 800,000 square feet of visual stimulation. Lighting director Paul Palazzo highlighted where he wanted people to look or go. Scale and lighting are organizing principles; they help delegates decipher the big messages from the small ones. Each theater seat came equipped with a speaker underneath. Outside the space, people couldn't hear the presenters. Delegates conversed in informal seating areas without overwhelming background noise.